55550602789 has 16 divisors (see below), whose sum is σ = 64469549376. Its totient is φ = 47304633600.

The previous prime is 55550602787. The next prime is 55550602801. The reversal of 55550602789 is 98720605555.

It is a cyclic number.

It is not a de Polignac number, because 55550602789 - 2¹ = 55550602787 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55550602787) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 664482 + ... + 743395.

It is an arithmetic number, because the mean of its divisors is an integer number (4029346836).

Almost surely, 2^55550602789 is an apocalyptic number.

It is an amenable number.

55550602789 is a deficient number, since it is larger than the sum of its proper divisors (8918946587).

55550602789 is a wasteful number, since it uses less digits than its factorization.

55550602789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1408116.

The product of its (nonzero) digits is 3780000, while the sum is 52.

The spelling of 55550602789 in words is "fifty-five billion, five hundred fifty million, six hundred two thousand, seven hundred eighty-nine".